An athlete runs four times around a 400m track in 5.00 min. Determine the athlete’s speed in meters per second.
A. 4.8 m/s
B. 1.33 m/s
C. 320 m/s
D. 5.33 m/s
+14903 An athlete runs four times around a 400m track in 5.00 min. Determine the athlete’s speed in meters per second.
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\(v=\frac{s}{t}\)
\(v=\frac{4\cdot 400m}{5min}\times \frac{1min}{60sec}\)
\(v=5.\overline{3}\ \frac{m}{sec}=5\frac{1}{3}\frac{m}{sec}\)
D. 5.33 m/s
